Availability In stock G0704 / BF20 Large Motor BDK This kit can be customised to fit your larger motor. Motor Shaft Size Diameter of the motor shaft Finish Plain finish Black Anodised [+$100.00] $299.90 Qty: Add to cart Email a friend Question about product? Add to wishlist Details Send me an email with the specs / size of your motor - preferrably link to a spec sheet. This kit is good for motors larger than the size of the spindle headstock (120mm). Pictured with an Adlee AM1500-H, 130mm BLDC motor. 1:1 Ratio only.